Kobe Steel, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C22C ALLOYS 2084
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM12453
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 8529
 
 
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 806
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 6437
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 56306
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4382
 
 
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 353
 
 
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 3013
 
 
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR2839

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9922758 Powder for powder magnetic core, and powder magnetic coreJul 09, 13Mar 20, 18[C23C, H01F, B22F]
9914089 Absorption method and absorption deviceJun 20, 14Mar 13, 18[B01J, B01D]
9914990 Steel for mechanical structure for cold working, and method for manufacturing sameApr 04, 13Mar 13, 18[C21D, C22C]
9908174 Continuous casting device for slab comprising titanium or titanium alloySep 28, 17Mar 06, 18[F27D, H05H, B22D]
9911576 Ion bombardment apparatus and method for cleaning of surface of base material using the sameNov 01, 12Mar 06, 18[C23C, B08B, H01J]
9902093 Press-forming mold and method for manufacturing protective film for press-forming moldApr 03, 12Feb 27, 18[B21D, C23C, B29C]
9897489 Processing apparatus and method of measuring temperature of workpiece in processing apparatusMar 11, 14Feb 20, 18[C23C, G01K, G01N]
9897491 Protecting tube deterioration detecting apparatus and method thereforOct 07, 13Feb 20, 18[G01K, G01N]
9889486 Manufacturing method of press-formed article and press forming apparatusOct 20, 16Feb 13, 18[B21D, B21J]
9890437 High-strength steel sheet with excellent warm formability and process for manufacturing sameFeb 06, 13Feb 13, 18[C21D, C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8551213 Method of coal gasification and direct ironmaking and system thereforExpiredSep 25, 09Oct 08, 13[C10K, C10J, C21B]
8530023 Optical information recording medium and sputtering target for forming reflective film for optical information recording mediumExpiredApr 14, 10Sep 10, 13[G11B]
8530024 Recording layer for optical information recording medium, optical information recording medium, and sputtering targetExpiredSep 17, 10Sep 10, 13[G11B]
8523722 Pulley for continuously variable transmissionExpiredAug 17, 07Sep 03, 13[F16H]
8506672 Method of coal gasification and direct ironmaking and system thereforWithdrawnSep 25, 09Aug 13, 13[C10K, C10J, C21B]
8506880 Iron bath-type melting furnaceExpiredAug 06, 09Aug 13, 13[C21B]
8475561 Method for producing molten ironExpiredMar 24, 09Jul 02, 13[C21C]
8470426 Read-only optical information recording medium and sputtering target for depositing reflective film for the optical information recording mediumExpiredSep 11, 09Jun 25, 13[G11B]
8444777 High-strength and high-ductility Al alloy and process for production of the sameExpiredFeb 20, 08May 21, 13[C22C, B22D]
8439987 Method of producing carbonaceous material-containing briquettes using steel mill dust containing oilExpiredAug 25, 08May 14, 13[B30B, C10L]
8419339 Connecting member of construction machineExpiredMay 04, 10Apr 16, 13[E02F]
8349519 Titanium electrode material and surface treatment method of titanium electrode materialExpiredFeb 22, 10Jan 08, 13[H01M]
8342020 Tire testing machine and tire testing methodExpiredApr 30, 09Jan 01, 13[G01M]
8323422 Production process of dust core and dust core obtained therebyExpiredNov 22, 11Dec 04, 12[H01F]
8277536 Process for producing molten iron and apparatus for producing molten ironExpiredMay 27, 11Oct 02, 12[C22B, C21B]
8268231 Treatment method for high-temperature exhaust gasExpiredApr 03, 08Sep 18, 12[F23J]
8262766 Method for reducing chromium containing raw materialExpiredAug 19, 09Sep 11, 12[C21B]
8231990 Alloy film for a metal separator for a fuel cell, a manufacturing method thereof and a target material for sputtering, as well as a metal separator, and a fuel cellExpiredDec 12, 07Jul 31, 12[C23C, H01M, C22F]
8192521 Method of suppressing slag foaming in continuous melting furnaceExpiredJul 15, 08Jun 05, 12[C22B, C04B]
8192562 Spring steel wire excellent in fatigue characteristic and wire drawabilityExpiredOct 30, 07Jun 05, 12[C22C]

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